March, 2012. O'Callaghan-Tillman bridge and Hoover dam suspension crane, Hoover Dam US.

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The Mike O'Callaghan – Pat Tillman Memorial Bridge was the first concrete-steel composite arch bridge built in the United States, and it incorporates the widest concrete arch in the Western Hemisphere. Opened on October 19, 2010, this four-lane highway bridge provides a crossing of the Colorado River for Route 93, linking Nevada with Arizona.

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Size: 5280px × 3481px
Location: Hoover Dam US
Photo credit: © Michael Beiriger / Alamy / Afripics
License: Royalty Free
Model Released: No

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